大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
为了捕捉这些电波，电波望远镜通常都有巨大的天线。
To catch these waves, radio telescopes usually have huge antennas.
电波望远镜就像一只耳朵，从宇宙的白噪音中分辨出有意义的无线电信息。
The radio telescope is like an ear, listening to tell meaningful radio messages from white noise in the universe.
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